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From: David Miller <davem@davemloft.net>
To: gaofeng@cn.fujitsu.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] ipv6: Fix problem with expired dst cache
Date: Fri, 24 Feb 2012 01:47:16 -0500 (EST)	[thread overview]
Message-ID: <20120224.014716.2237525226945856862.davem@davemloft.net> (raw)
In-Reply-To: <1330064404-24763-1-git-send-email-gaofeng@cn.fujitsu.com>

From: Gao feng <gaofeng@cn.fujitsu.com>
Date: Fri, 24 Feb 2012 14:20:04 +0800

> diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
> index b26bb81..3da4d58c 100644
> --- a/include/net/ip6_fib.h
> +++ b/include/net/ip6_fib.h
> @@ -106,6 +106,7 @@ struct rt6_info {
>  	u32				rt6i_metric;
>  	u32				rt6i_peer_genid;
>  
> +	struct rt6_info			*rt6i_copy;
>  	struct inet6_dev		*rt6i_idev;
>  	struct inet_peer		*rt6i_peer;

This bloats up every route and cached entry in the machine, find
another way.

> +	if ((rt->rt6i_flags & RTF_EXPIRES) &&
> +		time_after(jiffies, rt->dst.expires))

Poorly formatted, correct way is:

	if ((rt->rt6i_flags & RTF_EXPIRES) &&
	    time_after(jiffies, rt->dst.expires))

> +	if (rt->rt6i_copy && (rt->rt6i_copy->rt6i_flags & RTF_EXPIRES) &&
> +		time_after(jiffies, rt->rt6i_copy->dst.expires))

Same problem.

  reply	other threads:[~2012-02-24  6:47 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-24  6:20 [PATCH] ipv6: Fix problem with expired dst cache Gao feng
2012-02-24  6:47 ` David Miller [this message]
2012-02-24  7:10   ` Gao feng
2012-02-24  9:27   ` Gao feng
2012-02-24  6:51 ` Eric Dumazet
2012-02-24  7:21   ` Gao feng
2012-02-27  6:36 ` [PATCH V2] " Gao feng
2012-02-29  9:26   ` Gao feng
2012-02-29  9:45     ` [PATCH] " Gao feng
2012-02-29  9:52       ` Gao feng
2012-02-29 10:07     ` [PATCH v3] " Gao feng
2012-02-29 12:14       ` Eric Dumazet
2012-03-01  0:43         ` Gao feng
2012-03-05  3:53 ` [PATCH v4] " Gao feng
2012-03-05  5:05   ` David Miller
2012-03-05  7:10     ` Gao feng
2012-03-05  7:16 ` [PATCH v5] " Gao feng
2012-03-06  7:01   ` RongQing Li
2012-03-06  7:10     ` RongQing Li
2012-03-17  5:33   ` David Miller
2012-03-19  0:49     ` Gao feng
2012-03-22  2:47       ` David Miller
2012-04-06 10:13 ` [PATCH v6] ipv6: fix " Gao feng
2012-04-13 16:58   ` David Miller
2012-04-16 13:34     ` [PATCH] ipv6: fix rt6_update_expires Jiri Bohac
2012-04-18  2:24       ` Gao feng
2012-04-18  2:32         ` David Miller
2012-04-16 13:35     ` [PATCH] ipv6: clean up rt6_clean_expires Jiri Bohac
2012-04-18  2:32       ` David Miller

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